package edu.zju.gis.dldsj.model;

import lombok.Getter;
import lombok.Setter;

import java.math.BigDecimal;

@Getter
@Setter
public class Population implements Jsonable {
    private String pk_id;
    private String city_name;
    private String year;
    private Integer population;
    private Integer population_density;
    private Integer passenger_volume;
    private BigDecimal proportion_urban;

    @Override
    public String id() {
        return pk_id;
    }
}